1021101101012 has 18 divisors (see below), whose sum is σ = 1867997339418. Its totient is φ = 488352699472.

The previous prime is 1021101100969. The next prime is 1021101101029. The reversal of 1021101101012 is 2101011011201.

It can be written as a sum of positive squares in only one way, i.e., 973940029456 + 47161071556 = 986884^2 + 217166^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1021101100984 and 1021101101002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 241278863 + ... + 241283094.

Almost surely, 2^{1021101101012} is an apocalyptic number.

It is an amenable number.

1021101101012 is a deficient number, since it is larger than the sum of its proper divisors (846896238406).

1021101101012 is a wasteful number, since it uses less digits than its factorization.

1021101101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482562007 (or 482561982 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1021101101012 its reverse (2101011011201), we get a palindrome (3122112112213).

The spelling of 1021101101012 in words is "one trillion, twenty-one billion, one hundred one million, one hundred one thousand, twelve".